The basic problem is that you can not get all the available values of an enum type in Swift. There are multiple solutions, and in this post I'll show you all of them.
Generic Swift types such as Array or Dictionary can be easily extended to provide methods to specific types by making their associated type(s) either conform to a protocol or inherit from a class.
When working with Core Data it is common to create subclasses of NSManagedObject for each entity in the data model for easy property access and other helper methods. Starting with Xcode 8 the default for new entities is for Xcode to automatically create these files for you when the model changes. Is it worth the trouble?
